#5BBDE5#5BBDE5

#5BBDE5 is a light, moderate cyan. Relative luminance 0.443; OKLCH L 75.5% C 0.108 H 227.6°. Best body text is #000000 at 9.86:1 contrast (WCAG AA passes).

Color values

HEX	#5BBDE5
RGB	rgb(91, 189, 229)
HSL	hsl(197, 73%, 63%)
HSV	hsv(197, 60%, 90%)
CMYK	cmyk(60.3%, 17.5%, 0%, 10.2%)
CIE-LAB	lab(72.41, -17.15, -28.58)
CIE-LCH	lch(72.41, 33.34, 239.03°)
OKLab	oklab(75.51% -0.0729 -0.0797)
OKLCH	oklch(75.51% 0.108 227.6)
XYZ	xyz(36.6493, 44.2729, 80.7276)
Luminance	0.4428 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#5BBDE5 #E5835B

analogous

#5BE5C8 #5BBDE5 #5B78E5

triadic

#5BBDE5 #E55BBD #BDE55B

tetradic

#5BBDE5 #C85BE5 #E5835B #78E55B

square

#5BBDE5 #C85BE5 #E5835B #78E55B

split-complementary

#5BBDE5 #E55B78 #E5C85B

monochromatic

#1B81AB #26A8DD #5BBDE5 #90D2ED #C5E8F6

Accessibility & contrast

On white

2.13

#5BBDE5 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.86

#5BBDE5 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #5BBDE5

9.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##5BBDE5	#FFFFFF	#000000	##000000
##5BBDE5	1.00	2.13	9.86	9.86
#FFFFFF	2.13	1.00	21.00	21.00
#000000	9.86	21.00	1.00	1.00
##000000	9.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A8BAE7

Deuteranopia (green-blind)

#94ABE5

Tritanopia (blue-blind)

#00C9CA

Achromatopsia (no color)

#B2B2B2

Design tokens & code

CSS

--color: #5bbde5;
/* rgb */ color: rgb(91, 189, 229);
/* oklch */ color: oklch(75.5% 0.108 227.6);

Tailwind

colors: {
  custom: {
    50: '#95d1ed',
    500: '#5bbde5',
    950: '#000000',
  },
}

SCSS

$custom: #5bbde5;
$custom-light: #95d1ed;
$custom-dark: #000000;

JSON

{
  "hex": "#5bbde5",
  "rgb": {
    "r": 91,
    "g": 189,
    "b": 229
  },
  "hsl": {
    "h": 197.391,
    "s": 72.632,
    "l": 62.745
  },
  "oklch": {
    "l": 0.75506,
    "c": 0.10801,
    "h": 227.6
  },
  "luminance": 0.44276
}

Semantic roles & 50–950 ramp

primary

#5BBDE5

secondary

#E7C3B5

accent

#4A11D5

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1416

muted

#7E8284

Preview Lab

Preview with #5BBDE5

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →